[K12OSN] hard drive upgrade

[Liam Marshall]

I forgot to add, will this how to work if the users home directories are 
buried in the /home directory?   ie /home/grade1/user1.....user2.....etc

At 12:06 PM 12/11/2004, you wrote:
>am am setting up to upgrade my harddrives.  I have been unable to find an 
>elegent way to copy all the old partitions over to the new raided SATA 
>drives, so I have decided to do a clean install, and transfer over home 
>directories and users instead.  I did some research and came up with this 
>how to off the net.  I would appreciate it if someone would look it over 
>and let me know if this is going to work.  Otherwise I would have to go on 
>faith.  I have almost 600 users so I don;t want to recreate all of them
>
>Beginning of How To*************
>_________________________________________________________________________________________________
>the files you need to be concerned about to move users and passwords over are:
>
>/etc/passwd
>/etc/shadow
>/etc/group
>
>BUT it isn't as easy as just copying the old files to the new server ... 
>you will need to edit the new files (on the new server) and add any users 
>that are not already in the new files ... but don't change or add users 
>that exist already in the new files.
>
>SO ... copy the old passwd and shadow files over to the new server ... 
>name them passwd.old and shadow.old
>
>open /etc/passwd on the new server and passwd.old from the old server ...
>
>the user john is in old ... but not new ... so copy the whole line for 
>john from the old to the new file (add it at the bottom of the file) ... 
>do that for all users not currently in new.
>
>Now keep passwd (from the new server) open ... open shadow new and shadow 
>old ... copy the entries for shadow old into shadow new (put them in using 
>the same order that they are in on the new passwd file).
>
>Now for /etc/group ... add all the groups not currently in new from old....
>
>save the three new files /etc/passwd, /etc/shadow, /etc/groups
>--------------------------------------
>next, copy all the users directories from the old server to the new server 
>(everything in /home old to /home new)
>
>if the mail gets delivered to the home directories, you are done ... if it 
>goes somewhere else, you need to copy those directories over as well...
>
>End of How To***********
>___________________________________________________________________________________________________
>
>also, while I am at it I thought I would upgrade from K12LTSP 4.0 to 
>either 4.1 or 4.2.  Would it be ok to do that and still copy over the 
>users/passwords/groups/ and their home directories as per the above 
>instructions?
>
>
>
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